diff --git a/packages/notifications-library/src/notifications_library/_email_render.py b/packages/notifications-library/src/notifications_library/_email_render.py
index 57f6864a294..a462778a234 100644
--- a/packages/notifications-library/src/notifications_library/_email_render.py
+++ b/packages/notifications-library/src/notifications_library/_email_render.py
@@ -11,7 +11,7 @@
 
 
 class EmailPartsTuple(NamedTuple):
-    suject: str
+    subject: str
     text_content: str
     html_content: str | None
 
@@ -58,5 +58,5 @@ def render_email_parts(
         html_content = None
 
     return EmailPartsTuple(
-        suject=subject, text_content=text_content, html_content=html_content
+        subject=subject, text_content=text_content, html_content=html_content
     )
diff --git a/packages/notifications-library/src/notifications_library/_models.py b/packages/notifications-library/src/notifications_library/_models.py
index 6a4a3d77b30..6b52d8d4007 100644
--- a/packages/notifications-library/src/notifications_library/_models.py
+++ b/packages/notifications-library/src/notifications_library/_models.py
@@ -16,15 +16,23 @@ class JinjaTemplateDbGet:
 
 @dataclass(frozen=True)
 class UserData:
+    user_name: str
     first_name: str
     last_name: str
     email: str
 
 
+@dataclass(frozen=True)
+class SharerData:
+    user_name: str
+    message: str
+
+
 @dataclass(frozen=True)
 class ProductUIData:
     logo_url: str
     strong_color: str
+    project_alias: str
 
 
 @dataclass(frozen=True)
diff --git a/packages/notifications-library/src/notifications_library/_repository.py b/packages/notifications-library/src/notifications_library/_repository.py
index a202d1a7422..bb211fa82db 100644
--- a/packages/notifications-library/src/notifications_library/_repository.py
+++ b/packages/notifications-library/src/notifications_library/_repository.py
@@ -25,6 +25,7 @@ class UsersRepo(_BaseRepo):
     async def get_user_data(self, user_id: UserID) -> UserData:
         query = sa.select(
             # NOTE: careful! privacy applies here!
+            users.c.name,
             users.c.first_name,
             users.c.last_name,
             users.c.email,
@@ -38,7 +39,10 @@ async def get_user_data(self, user_id: UserID) -> UserData:
             raise ValueError(msg)
 
         return UserData(
-            first_name=row.first_name, last_name=row.last_name, email=row.email
+            user_name=row.name,
+            first_name=row.first_name,
+            last_name=row.last_name,
+            email=row.email,
         )
 
 
diff --git a/packages/notifications-library/src/notifications_library/templates/on_change_email.email.content.html b/packages/notifications-library/src/notifications_library/templates/on_change_email.email.content.html
index 761028a0a5e..bc328c4cc01 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_change_email.email.content.html
+++ b/packages/notifications-library/src/notifications_library/templates/on_change_email.email.content.html
@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 {% block title %} {% include 'on_change_email.email.subject.txt' %} {% endblock %}
 {% block content %}
-<p>Dear {{ user.first_name }},</p>
+<p>Dear {{ user.first_name or user.user_name }},</p>
 <p>
   You have requested to change the email address linked to your {{ product.display_name }} account.
   Please follow the on-screen information in the link below:
diff --git a/packages/notifications-library/src/notifications_library/templates/on_change_email.email.content.txt b/packages/notifications-library/src/notifications_library/templates/on_change_email.email.content.txt
index 6e5f56388de..8f837cee41d 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_change_email.email.content.txt
+++ b/packages/notifications-library/src/notifications_library/templates/on_change_email.email.content.txt
@@ -1,4 +1,4 @@
-Dear {{ user.first_name }},
+Dear {{ user.first_name or user.user_name }},
 
 You have requested to change the email address linked to your {{ product.display_name }} account. Please follow the on-screen information in the link below:
 
diff --git a/packages/notifications-library/src/notifications_library/templates/on_new_code.email.content.html b/packages/notifications-library/src/notifications_library/templates/on_new_code.email.content.html
index 15065a34bc6..7b88926ef60 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_new_code.email.content.html
+++ b/packages/notifications-library/src/notifications_library/templates/on_new_code.email.content.html
@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 {% block title %} {% include 'on_new_code.email.subject.txt' %} {% endblock %}
 {% block content %}
-<p>Dear {{ user.first_name }},</p>
+<p>Dear {{ user.first_name or user.user_name }},</p>
 <p>Please find below the Two-factor Authentication sign-in code for your {{ host }} account.</p>
 
 <p>
diff --git a/packages/notifications-library/src/notifications_library/templates/on_new_code.email.content.txt b/packages/notifications-library/src/notifications_library/templates/on_new_code.email.content.txt
index c312ce6ef83..07c54d9f01f 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_new_code.email.content.txt
+++ b/packages/notifications-library/src/notifications_library/templates/on_new_code.email.content.txt
@@ -1,4 +1,4 @@
-Dear {{ user.first_name }},
+Dear {{ user.first_name or user.user_name }},
 
 Please find below the Two-factor Authentication sign-in code for your {{ host }} account.
 
diff --git a/packages/notifications-library/src/notifications_library/templates/on_new_invitation.email.content.html b/packages/notifications-library/src/notifications_library/templates/on_new_invitation.email.content.html
index 2e6105f7f3f..1b5b5998a9a 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_new_invitation.email.content.html
+++ b/packages/notifications-library/src/notifications_library/templates/on_new_invitation.email.content.html
@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 {% block title %} {% include 'on_new_invitation.email.subject.txt' %} {% endblock %}
 {% block content %}
-<p>Dear {{ user.first_name }},</p>
+<p>Dear {{ user.first_name or user.user_name }},</p>
 <p>Thank you for your interest in {{ product.display_name }}. We are pleased to provide you with a one-time invitation link to register on the platform.</p>
 <p>
   <!-- Many email clients strip or ignore certain CSS properties, including them inline -->
diff --git a/packages/notifications-library/src/notifications_library/templates/on_new_invitation.email.content.txt b/packages/notifications-library/src/notifications_library/templates/on_new_invitation.email.content.txt
index a9182019602..3cd0ded7186 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_new_invitation.email.content.txt
+++ b/packages/notifications-library/src/notifications_library/templates/on_new_invitation.email.content.txt
@@ -1,4 +1,4 @@
-Dear {{ user.first_name }},
+Dear {{ user.first_name or user.user_name }},
 
 Thank you for your interest in {{ product.display_name }}. We are pleased to provide you with a one-time invitation link to register on the platform.
 
diff --git a/packages/notifications-library/src/notifications_library/templates/on_payed.email.content.html b/packages/notifications-library/src/notifications_library/templates/on_payed.email.content.html
index 8ce5e627cc5..c7ffbee377c 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_payed.email.content.html
+++ b/packages/notifications-library/src/notifications_library/templates/on_payed.email.content.html
@@ -4,7 +4,7 @@
 
 {% block content %}
 
-<p>Dear {{ user.first_name }},</p>
+<p>Dear {{ user.first_name or user.user_name }},</p>
 <p>We are delighted to confirm the successful processing of your payment of <strong>{{ payment.price_dollars }}</strong> <strong><em>USD</em></strong> for the purchase of <strong>{{ payment.osparc_credits }}</strong> <strong><em>credits</em></strong>.
   The credits have been added to your {{ product.display_name }} account, and you are all set to utilize them.</p>
 <p>For more details you can view or download your <a href="{{ payment.invoice_url }}">receipt</a>.</p>
diff --git a/packages/notifications-library/src/notifications_library/templates/on_payed.email.content.txt b/packages/notifications-library/src/notifications_library/templates/on_payed.email.content.txt
index 6b4b58a3097..4e0609d2018 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_payed.email.content.txt
+++ b/packages/notifications-library/src/notifications_library/templates/on_payed.email.content.txt
@@ -1,4 +1,4 @@
-Dear {{ user.first_name }},
+Dear {{ user.first_name or user.user_name }},
 
 We are delighted to confirm the successful processing of your payment of {{ payment.price_dollars }} USD for the purchase of {{ payment.osparc_credits }} credits. The credits have been added to your {{ product.display_name }} account, and you are all set to utilize them.
 
diff --git a/packages/notifications-library/src/notifications_library/templates/on_registered.email.content.html b/packages/notifications-library/src/notifications_library/templates/on_registered.email.content.html
index d3f1217e7ea..9c64a687e12 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_registered.email.content.html
+++ b/packages/notifications-library/src/notifications_library/templates/on_registered.email.content.html
@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 {% block title %} {% include 'on_registered.email.subject.txt' %} {% endblock %}
 {% block content %}
-<p>Dear {{ user.first_name }},</p>
+<p>Dear {{ user.first_name or user.user_name }},</p>
 <p>Thank you for your interest in {{ product.display_name }}. You have successfully registered for {{ host }}.</p>
 <p>Please activate your account via the link below:</p>
 <p>
diff --git a/packages/notifications-library/src/notifications_library/templates/on_registered.email.content.txt b/packages/notifications-library/src/notifications_library/templates/on_registered.email.content.txt
index b8e6ad9ec97..31d29aeae73 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_registered.email.content.txt
+++ b/packages/notifications-library/src/notifications_library/templates/on_registered.email.content.txt
@@ -1,4 +1,4 @@
-Dear {{ user.first_name }},
+Dear {{ user.first_name or user.user_name }},
 
 Thank you for your interest in {{ product.display_name }}. You have successfully registered for {{ host }}.
 
diff --git a/packages/notifications-library/src/notifications_library/templates/on_reset_password.email.content.html b/packages/notifications-library/src/notifications_library/templates/on_reset_password.email.content.html
index 687eb1671e0..12d73ee939d 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_reset_password.email.content.html
+++ b/packages/notifications-library/src/notifications_library/templates/on_reset_password.email.content.html
@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 {% block title %} {% include 'on_reset_password.email.subject.txt' %} {% endblock %}
 {% block content %}
-<p>Dear {{ user.first_name }},</p>
+<p>Dear {{ user.first_name or user.user_name }},</p>
 
 <p>A request to reset your {{ host }} password has been made.</p>
 {% if success %}
diff --git a/packages/notifications-library/src/notifications_library/templates/on_reset_password.email.content.txt b/packages/notifications-library/src/notifications_library/templates/on_reset_password.email.content.txt
index 35726a0fbca..f19749194e8 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_reset_password.email.content.txt
+++ b/packages/notifications-library/src/notifications_library/templates/on_reset_password.email.content.txt
@@ -1,4 +1,4 @@
-Dear {{ user.first_name }},
+Dear {{ user.first_name or user.user_name }},
 
 A request to reset your {{ host }} password has been made.
 {% if success %}
diff --git a/packages/notifications-library/src/notifications_library/templates/on_share_project.email.content.html b/packages/notifications-library/src/notifications_library/templates/on_share_project.email.content.html
new file mode 100644
index 00000000000..2bfd9404271
--- /dev/null
+++ b/packages/notifications-library/src/notifications_library/templates/on_share_project.email.content.html
@@ -0,0 +1,29 @@
+{% extends 'base.html' %}
+{% block title %} {% include 'on_share_project.email.subject.txt' %} {% endblock %}
+{% block content %}
+<p>Dear {{ user.first_name or user.user_name }},</p>
+
+<p>Great news! {{ sharer.user_name }} has shared a {{ product.ui.project_alias }} with you on {{ product.display_name }}.</p>
+
+<p>To view the {{ product.ui.project_alias }} and accept the sharing, follow below:</p>
+
+<p>
+{% if sharer.message %}
+  <div style="border: 1px solid #ccc; padding: 16px; border-radius: 8px; background-color: #f9f9f9;">
+    <p style="margin-top: 0;">{{ sharer.message }}</p>
+    <button class="strong-button" style="border-radius: 4px;">
+      <a href="{{ accept_link }}" style="color: white;">Open</a>
+    </button>
+  </div>
+{% else %}
+  <button class="strong-button" style="border-radius: 4px;">
+    <a href="{{ accept_link }}" style="color: white;">Open</a>
+  </button>
+{% endif %}
+</p>
+
+<p>Please don't hesitate to contact us at {{ product.support_email }} if you need further help.</p>
+
+<p>Best Regards,</p>
+<p>The <i>{{ product.display_name }}</i> Team</p>
+{% endblock %}
diff --git a/packages/notifications-library/src/notifications_library/templates/on_share_project.email.content.txt b/packages/notifications-library/src/notifications_library/templates/on_share_project.email.content.txt
new file mode 100644
index 00000000000..2fae91408f5
--- /dev/null
+++ b/packages/notifications-library/src/notifications_library/templates/on_share_project.email.content.txt
@@ -0,0 +1,13 @@
+Dear {{ user.first_name or user.user_name }},
+
+Great news! {{ sharer.user_name }} has shared a {{ product.ui.project_alias }} with you on {{ product.display_name }}.
+
+To view the {{ product.ui.project_alias }} and accept the sharing, follow below:
+
+{{ sharer.message }}
+{{ accept_link }}
+
+Please don't hesitate to contact us at {{ product.support_email }} if you need further help.
+
+Best Regards,
+The {{ product.display_name }} Team
diff --git a/packages/notifications-library/src/notifications_library/templates/on_share_project.email.subject.txt b/packages/notifications-library/src/notifications_library/templates/on_share_project.email.subject.txt
new file mode 100644
index 00000000000..0a7f2157a39
--- /dev/null
+++ b/packages/notifications-library/src/notifications_library/templates/on_share_project.email.subject.txt
@@ -0,0 +1 @@
+A {{ product.ui.project_alias }} was shared with you on {{ host }}
diff --git a/packages/notifications-library/src/notifications_library/templates/on_unregister.email.content.html b/packages/notifications-library/src/notifications_library/templates/on_unregister.email.content.html
index c3a593fdd8a..49cee1f4906 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_unregister.email.content.html
+++ b/packages/notifications-library/src/notifications_library/templates/on_unregister.email.content.html
@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 {% block title %} {% include 'on_unregister.email.subject.txt' %} {% endblock %}
 {% block content %}
-<p>Dear {{ user.first_name }},</p>
+<p>Dear {{ user.first_name or user.user_name }},</p>
 <p>
   We have received your account closure request, and we want to say thank you for being a part of our platform. While
   we're sad to see you go, we respect your decision.
diff --git a/packages/notifications-library/src/notifications_library/templates/on_unregister.email.content.txt b/packages/notifications-library/src/notifications_library/templates/on_unregister.email.content.txt
index d955504700c..0b45d4afc66 100644
--- a/packages/notifications-library/src/notifications_library/templates/on_unregister.email.content.txt
+++ b/packages/notifications-library/src/notifications_library/templates/on_unregister.email.content.txt
@@ -1,4 +1,4 @@
-Dear {{ user.first_name }},
+Dear {{ user.first_name or user.user_name }},
 
 We have received your account closure request, and we want to say thank you for being a part of our platform. While we're sad to see you go, we respect your decision.
 
diff --git a/packages/notifications-library/tests/conftest.py b/packages/notifications-library/tests/conftest.py
index 55891dc77d0..7969423c738 100644
--- a/packages/notifications-library/tests/conftest.py
+++ b/packages/notifications-library/tests/conftest.py
@@ -9,8 +9,14 @@
 
 import notifications_library
 import pytest
+from faker import Faker
 from models_library.products import ProductName
-from notifications_library._models import ProductData, ProductUIData, UserData
+from notifications_library._models import (
+    ProductData,
+    ProductUIData,
+    SharerData,
+    UserData,
+)
 from notifications_library.payments import PaymentData
 from pydantic import EmailStr
 from pytest_simcore.helpers.typing_env import EnvVarsDict
@@ -61,6 +67,7 @@ def product_data(
             "https://raw.githubusercontent.com/ITISFoundation/osparc-simcore/refs/heads/master/services/static-webserver/client/source/resource/osparc/osparc-white.svg",
         ),
         strong_color=vendor.get("ui", {}).get("strong_color", "rgb(131, 0, 191)"),
+        project_alias=vendor.get("ui", {}).get("project_alias", "project"),
     )
 
     return ProductData(  # type: ignore
@@ -75,15 +82,24 @@ def product_data(
 
 @pytest.fixture
 def user_data(
-    user_email: EmailStr, user_first_name: str, user_last_name: str
+    user_name: str, user_email: EmailStr, user_first_name: str, user_last_name: str
 ) -> UserData:
     return UserData(
+        user_name=user_name,
         first_name=user_first_name,
         last_name=user_last_name,
         email=user_email,
     )
 
 
+@pytest.fixture
+def sharer_data(user_name: str, faker: Faker) -> SharerData:
+    return SharerData(
+        user_name=user_name,
+        message=faker.random_element(elements=(faker.sentence(), "")),
+    )
+
+
 @pytest.fixture
 def payment_data(successful_transaction: dict[str, Any]) -> PaymentData:
     return PaymentData(
diff --git a/packages/notifications-library/tests/email/test_email_events.py b/packages/notifications-library/tests/email/test_email_events.py
index 9f82a1d8bf7..cacbfc6578a 100644
--- a/packages/notifications-library/tests/email/test_email_events.py
+++ b/packages/notifications-library/tests/email/test_email_events.py
@@ -21,6 +21,7 @@
 
 import functools
 import json
+from dataclasses import asdict
 from pathlib import Path
 from typing import Any
 from unittest.mock import AsyncMock, MagicMock
@@ -41,7 +42,7 @@
     get_user_address,
     render_email_parts,
 )
-from notifications_library._models import ProductData, UserData
+from notifications_library._models import ProductData, SharerData, UserData
 from notifications_library._render import (
     create_render_environment_from_notifications_library,
 )
@@ -135,6 +136,16 @@ def event_extra_data(  # noqa: PLR0911
                 "reason": faker.sentence(),
                 "link": f"{host_url}?reset-password={code}",
             }
+        case "on_share_project":
+            return {
+                "host": host_url,
+                "resource_alias": "Project",
+                "sharer": SharerData(
+                    user_name=faker.name(),
+                    message=faker.random_element(elements=(faker.sentence(), "")),
+                ),
+                "accept_link": f"{host_url}?code={code}",
+            }
         case "on_unregister":
             return {
                 "host": host_url,
@@ -169,6 +180,7 @@ def event_attachments(event_name: str, faker: Faker) -> list[tuple[bytes, str]]:
         "on_payed",
         "on_registered",
         "on_reset_password",
+        "on_share_project",
         "on_unregister",
     ],
 )
@@ -177,6 +189,7 @@ async def test_email_event(
     smtp_mock_or_none: MagicMock | None,
     user_data: UserData,
     user_email: EmailStr,
+    sharer_data: SharerData | None,
     product_data: ProductData,
     product_name: ProductName,
     event_name: str,
@@ -187,6 +200,8 @@ async def test_email_event(
     assert user_data.email == user_email
     assert product_data.product_name == product_name
 
+    event_extra_data = event_extra_data | (asdict(sharer_data) if sharer_data else {})
+
     parts = render_email_parts(
         env=create_render_environment_from_notifications_library(
             undefined=StrictUndefined
@@ -207,7 +222,7 @@ async def test_email_event(
     msg = compose_email(
         from_,
         to,
-        subject=parts.suject,
+        subject=parts.subject,
         content_text=parts.text_content,
         content_html=parts.html_content,
     )
@@ -278,7 +293,7 @@ async def test_email_with_reply_to(
     msg = compose_email(
         from_,
         to,
-        subject=parts.suject,
+        subject=parts.subject,
         content_text=parts.text_content,
         content_html=parts.html_content,
         reply_to=reply_to,
diff --git a/packages/notifications-library/tests/test__templates.py b/packages/notifications-library/tests/test__templates.py
index 19dab150d7e..b4e746b54ff 100644
--- a/packages/notifications-library/tests/test__templates.py
+++ b/packages/notifications-library/tests/test__templates.py
@@ -18,6 +18,7 @@
         "on_payed",
         "on_registered",
         "on_reset_password",
+        "on_share_project",
         "on_unregister",
     ],
 )
diff --git a/packages/postgres-database/src/simcore_postgres_database/models/products.py b/packages/postgres-database/src/simcore_postgres_database/models/products.py
index 6e5fee576e6..c7668a6953a 100644
--- a/packages/postgres-database/src/simcore_postgres_database/models/products.py
+++ b/packages/postgres-database/src/simcore_postgres_database/models/products.py
@@ -32,6 +32,7 @@
 class VendorUI(TypedDict, total=True):
     logo_url: str  # vendor logo url
     strong_color: str  # vendor main color
+    project_alias: str  # project alias for the product (e.g. "project" or "study")
 
 
 class Vendor(TypedDict, total=False):
diff --git a/packages/pytest-simcore/src/pytest_simcore/helpers/faker_factories.py b/packages/pytest-simcore/src/pytest_simcore/helpers/faker_factories.py
index 0031be3d1d7..04cde49a9ff 100644
--- a/packages/pytest-simcore/src/pytest_simcore/helpers/faker_factories.py
+++ b/packages/pytest-simcore/src/pytest_simcore/helpers/faker_factories.py
@@ -244,7 +244,7 @@ def random_product(
         "host_regex": r"[a-zA-Z0-9]+\.com",
         "support_email": f"support@{suffix}.io",
         "product_owners_email": fake.random_element(
-            elements=[f"product-onwers@{suffix}.io", None]
+            elements=[f"product-owners@{suffix}.io", None]
         ),
         "twilio_messaging_sid": fake.random_element(
             elements=(None, f"{fake.uuid4()}"[:34])
@@ -260,6 +260,7 @@ def random_product(
             ui=VendorUI(
                 logo_url=fake.url(),
                 strong_color=fake.color(),
+                project_alias=fake.random_element(elements=["project", "study"]),
             ),
         ),
         "registration_email_template": registration_email_template,
diff --git a/services/web/server/src/simcore_service_webserver/products/_models.py b/services/web/server/src/simcore_service_webserver/products/_models.py
index 41031cded06..06e80d7b83a 100644
--- a/services/web/server/src/simcore_service_webserver/products/_models.py
+++ b/services/web/server/src/simcore_service_webserver/products/_models.py
@@ -214,7 +214,7 @@ def _update_json_schema_extra(schema: JsonDict) -> None:
                             and isinstance(c.server_default.arg, str)  # type: ignore[union-attr]
                         },
                     },
-                    # Example of data in the dabase with a url set with blanks
+                    # Example of data in the database with a url set with blanks
                     {
                         "name": "tis",
                         "display_name": "TI PT",
@@ -245,6 +245,7 @@ def _update_json_schema_extra(schema: JsonDict) -> None:
                             "ui": {
                                 "logo_url": "https://acme.com/logo",
                                 "strong_color": "#123456",
+                                "project_alias": "study",
                             },
                         },
                         "issues": [
diff --git a/services/web/server/tests/unit/isolated/products/test_products_model.py b/services/web/server/tests/unit/isolated/products/test_products_model.py
index efde35506a3..25411aa0e04 100644
--- a/services/web/server/tests/unit/isolated/products/test_products_model.py
+++ b/services/web/server/tests/unit/isolated/products/test_products_model.py
@@ -63,6 +63,7 @@ def test_product_to_static():
             "ui": {
                 "logo_url": "https://acme.com/logo",
                 "strong_color": "#123456",
+                "project_alias": "study",
             },
         },
         "issues": [